Bray 98 Series - Manual (Page 34)

All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of
BRAY INTERNATIONAL, Inc. The technical data herein is for general information only. Product suitability should be based solely upon customer’s
detailed knowledge and experience with their application.
S98 O & M : 34
Series 98 Operation & Maintenance
17.0 Extended Stoppers
Extended Stoppers allow adjustment of the actuator rotation angle
higher than what the travel stops provided on the Torque Module.
single cylinder double acting actuators and on the Spring Module
for the spring return actuators.
The standard extended stops restrict the linear stroke of the Guide
Block to provide the rotation adjustment up to 45 degrees from
the end. A 90 degree extended stop is an option.
17.1 Installation
Extended Stoppers are usually factory installed on the actuator
and adjusted to the angle per customer’s requirement if supplied
then the stoppers are backed off fully, to permit installation at site
on the valve and they must be adjusted after installation.
stopper, the installation instructions provide a guide for a quali-
17.1.1 Installing Extended Stopper for Torque
Module
This Extended Stopper module is installed only on Single
Cylinder DA actuators.
1. Disconnect the air pressure and the electrical power from
actuator.
2. Remove the DA end cover plate from the actuator.
3. Clean threads on the Guide Block.
4. Apply medium strength thread lock compound to the threads
of the Bolt (4) and thread it into the Guide Block and tighten
to lock the Bolt on the Guide Block face.
4
5. Loosen the Lock Nut and back off the Extended Stopper in
the assembly.
module.
Secure the assembly with the mounting bolts, nuts and lock
washers from the mounting kit.